Lee, George
Fong Brothers, 1989
Buku Teks
Lieberman, Marc
South Western Cengage Learning, 2013
Buku Teks SO
Lieberman, Marc
South-Wetern & Cengage Learning, 2013
Buku Teks SO
Bye, Raymond T.
Appleton-Century-Crofts, 1947
Buku Teks
Samuelson, Paul Anthony, 1915-2009
McGraw-Hill, 2010
Buku Teks SO